Home / 3,178,741.32-4,388,288.40-2,451,957.48

Finding the Fourth Proportional to 3,178,741.32, 4,388,288.40 and 2,451,957.48

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Solution

The fourth proportional to 3,178,741.32, 4,388,288.40 and 2,451,957.48 is: 3,384,955.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,178,741.32 : 4,388,288.40 = 2,451,957.48 : x
  2. Step 2: Convert to fraction form
    3,178,741.32/4,388,288.40 = 2,451,957.48/x
  3. Step 3: Cross multiply
    3,178,741.32x = 4,388,288.40 × 2,451,957.48
  4. Step 4: Simplify right side
    3,178,741.32x = 10,759,896,566,777.23
  5. Step 5: Solve for x
    x = 10,759,896,566,777.23/3,178,741.32
  6. Step 6: Final answer
    x = 3,384,955.08

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.